South Dublin, Leinster, Ireland climate
Average temperatures, precipitation and all-time records for South Dublin, Leinster, Ireland, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 18°C, and its coldest is January, with an average low of 3°C.
South Dublin is a county in Ireland, within the province of Leinster and the Eastern and Midland Region. It is one of three successor counties to County Dublin, which was disestablished for administrative purposes in 1994. South Dublin County Council is the local authority for the county. via Wikipedia
How today compares
Latest recorded day: 2026-07-24. Each reading placed on South Dublin, Leinster, Ireland's own ±7-day seasonal distribution.
South Dublin average temperatures by month
Typical daily high and low, and average precipitation, for each month in South Dublin, Leinster, Ireland, based on 1980–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 7°C | 3°C | 3 mm |
| February | 8°C | 3°C | 3 mm |
| March | 9°C | 4°C | 3 mm |
| April | 11°C | 5°C | 3 mm |
| May | 13°C | 8°C | 3 mm |
| June | 16°C | 10°C | 3 mm |
| July | 18°C | 12°C | 3 mm |
| August | 18°C | 12°C | 3 mm |
| September | 16°C | 10°C | 3 mm |
| October | 13°C | 8°C | 3 mm |
| November | 10°C | 5°C | 3 mm |
| December | 8°C | 4°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 27°C on 2022-07-18
- Coldest day on record: -9°C on 2010-01-08
Percentiles compare each day to South Dublin, Leinster, Ireland's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →